In-depth architectural comparison of the Kernel MCP Server and Onehome MCP MCP servers. Compare execution transports, security boundaries, tool capabilities, quality scores, and ready-to-paste client installation snippets for Claude, Cursor, Windsurf, and VS Code.
At a Glance & Executive Verdict
Kernel MCP Server
Developer Tools · Local stdio
Quality: 57/100 (Good) | Auth: No auth required
Onehome MCP
Developer Tools · Local stdio
Quality: 49/100 (Fair) | Auth: No auth required
Verdict Summary: Choose Kernel MCP Server if you need specialized Developer Tools tools running via a local process. Choose Onehome MCP if your workspace requires Developer Tools integration with local subprocess execution. Both servers can be configured concurrently in your client's mcpServers manifest.
Which MCP Server Should You Choose?
Choose Kernel MCP Server when:
You need dedicated capabilities in the Developer Tools domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: No auth required (Free / Open Source).
Create, update, list, get, and delete browser sessions, and read archived telemetry for active or deleted sessions. Supports headless/stealth modes, profiles, proxies, viewports, extensions, names and tags, and SSH tunneling. The browser tools (`manage_browsers`, `computer_action`, `execute_playwri…
manage_profiles
Setup (with guided live browser session), search/list with pagination, get, and delete browser profiles for persisting cookies and logins.
manage_projects
Create, list, get, update, and delete organization projects. Inspect and update per-project resource limits.
manage_api_keys
Create, list, get, update, and delete org-wide or project-scoped API keys. Create returns the plaintext key once.
manage_browser_pools
Ready-to-Paste Client Configurations
Paste either (or both) of these JSON server blocks into your client config file (e.g. claude_desktop_config.json or ~/.cursor/mcp.json).
Kernel MCP Server is categorized under Developer Tools and uses a local stdio subprocess. In contrast, Onehome MCP belongs to Developer Tools using local stdio subprocess. Select Kernel MCP Server when you need capabilities focused on developer tools and Onehome MCP when you require tools for developer tools.
Start, stop, and list MP4 video replay recordings for a browser session. Session-scoped: start once, run your automation, then stop. Requires a paid Kernel plan.
manage_extensions
List and delete uploaded browser extensions.
manage_apps
List/search apps, invoke actions, get/list/delete deployments, and get invocation results.
manage_auth_connections
Create, list, get, update, delete, login, submit, inspect timelines, and wait for managed-auth connections in every client. Supports health-check and automatic re-auth settings, managed-auth browser configuration, and canonical interaction-bound field/choice submissions. Use domain-filtered `list`…
manage_credentials
Create, list, get, update, and delete stored credentials; fetch a current TOTP code for credentials with a configured totp_secret.
manage_credential_providers
Create, list, get, update, and delete external credential providers (e.g. 1Password); list available items and test the provider connection.
+9 more tools listed on main page
Onehome MCP Tools (21)
onehome_get_user
Smallest auth probe — returns your OneHome profile (name, email) and the groups your agent shared.
onehome_get_groups
List the OneHome "groups" your agent has shared with you (each one a market / curated listing bucket).
onehome_get_saved_search
Fetch an agent-curated saved search by id — name, filter criteria, polygon, and the OSK listing ids that compose the share.
onehome_get_saved_search_with_listings
The "show me my saved homes" flow in one round trip — saved search plus its inflated listings.
onehome_search_properties
Listings within a group; optionally scoped to a saved search.
onehome_search_suggestions
Free-text suggestion search (address, MLS #) across all feeds.
onehome_get_by_address
Resolve a single free-text street address to a listing's portal URL + id.
onehome_resolve_addresses
Bulk-resolve up to 100 structured addresses to portal URLs + listing ids; concurrent, per-row error capture.
onehome_get_property
Full property record by listing id or portal URL.
onehome_bulk_get
Fetch up to N listings in one call — one structured row per id, per-row error capture.
onehome_get_property_photos
Full media gallery — Thumbnail / Medium / Large variants + room descriptions.
onehome_compare_properties
2-8 listings side-by-side. Per-row error capture; calls are concurrent.